diff --git a/erpnext/accounts/doctype/accounting_dimension/accounting_dimension.json b/erpnext/accounts/doctype/accounting_dimension/accounting_dimension.json
index 5858f10bb0b..f05d20a0a49 100644
--- a/erpnext/accounts/doctype/accounting_dimension/accounting_dimension.json
+++ b/erpnext/accounts/doctype/accounting_dimension/accounting_dimension.json
@@ -31,7 +31,8 @@
    "label": "Reference Document Type",
    "options": "DocType",
    "read_only_depends_on": "eval:!doc.__islocal",
-   "reqd": 1
+   "reqd": 1,
+   "search_index": 1
   },
   {
    "default": "0",
diff --git a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
index b7546a9ce33..a407f90b51f 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -3860,6 +3860,7 @@ class TestSalesInvoice(FrappeTestCase):
 		si = create_sales_invoice(do_not_submit=True)
 
 		project = frappe.new_doc("Project")
+		project.company = "_Test Company"
 		project.project_name = "Test Total Billed Amount"
 		project.save()
 
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index ecbf1177ee4..160c478f299 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -8,7 +8,7 @@ from collections import defaultdict
 import frappe
 from frappe import _, bold, qb, throw
 from frappe.model.workflow import get_workflow_name, is_transition_condition_satisfied
-from frappe.query_builder import Criterion
+from frappe.query_builder import Criterion, DocType
 from frappe.query_builder.custom import ConstantColumn
 from frappe.query_builder.functions import Abs, Sum
 from frappe.utils import (
@@ -250,6 +250,7 @@ class AccountsController(TransactionBase):
 			apply_pricing_rule_on_transaction(self)
 
 		self.set_total_in_words()
+		self.validate_company_in_accounting_dimension()
 
 	def init_internal_values(self):
 		# init all the internal values as 0 on sa
@@ -355,6 +356,39 @@ class AccountsController(TransactionBase):
 				(sle.voucher_type == self.doctype) & (sle.voucher_no == self.name)
 			).run()
 
+	def validate_company_in_accounting_dimension(self):
+		doc_field = DocType("DocField")
+		accounting_dimension = DocType("Accounting Dimension")
+		dimension_list = (
+			frappe.qb.from_(accounting_dimension)
+			.select(accounting_dimension.document_type)
+			.join(doc_field)
+			.on(doc_field.parent == accounting_dimension.document_type)
+			.where(doc_field.fieldname == "company")
+		).run(as_list=True)
+
+		dimension_list = sum(dimension_list, ["Project"])
+		self.validate_company(dimension_list)
+
+		for child in self.get_all_children() or []:
+			self.validate_company(dimension_list, child)
+
+	def validate_company(self, dimension_list, child=None):
+		for dimension in dimension_list:
+			if not child:
+				dimension_value = self.get(frappe.scrub(dimension))
+			else:
+				dimension_value = child.get(frappe.scrub(dimension))
+
+			if dimension_value:
+				company = frappe.get_cached_value(dimension, dimension_value, "company")
+				if company and company != self.company:
+					frappe.throw(
+						_("{0}: {1} does not belong to the Company: {2}").format(
+							dimension, frappe.bold(dimension_value), self.company
+						)
+					)
+
 	def validate_return_against_account(self):
 		if self.doctype in ["Sales Invoice", "Purchase Invoice"] and self.is_return and self.return_against:
 			cr_dr_account_field = "debit_to" if self.doctype == "Sales Invoice" else "credit_to"
diff --git a/erpnext/controllers/tests/test_accounts_controller.py b/erpnext/controllers/tests/test_accounts_controller.py
index a184009b1e1..1e0f4cce27b 100644
--- a/erpnext/controllers/tests/test_accounts_controller.py
+++ b/erpnext/controllers/tests/test_accounts_controller.py
@@ -1344,32 +1344,32 @@ class TestAccountsController(FrappeTestCase):
 
 		# Invoices
 		si1 = self.create_sales_invoice(qty=1, rate=rate_in_account_currency, do_not_submit=True)
-		si1.department = "Management"
+		si1.department = "Management - _TC"
 		si1.save().submit()
 
 		si2 = self.create_sales_invoice(qty=1, rate=rate_in_account_currency, do_not_submit=True)
-		si2.department = "Operations"
+		si2.department = "Operations - _TC"
 		si2.save().submit()
 
 		# Payments
 		cr_note1 = self.create_sales_invoice(qty=-1, conversion_rate=75, rate=1, do_not_save=True)
-		cr_note1.department = "Management"
+		cr_note1.department = "Management - _TC"
 		cr_note1.is_return = 1
 		cr_note1.save().submit()
 
 		cr_note2 = self.create_sales_invoice(qty=-1, conversion_rate=75, rate=1, do_not_save=True)
-		cr_note2.department = "Legal"
+		cr_note2.department = "Legal - _TC"
 		cr_note2.is_return = 1
 		cr_note2.save().submit()
 
 		pe1 = get_payment_entry(si1.doctype, si1.name)
 		pe1.references = []
-		pe1.department = "Research & Development"
+		pe1.department = "Research & Development - _TC"
 		pe1.save().submit()
 
 		pe2 = get_payment_entry(si1.doctype, si1.name)
 		pe2.references = []
-		pe2.department = "Management"
+		pe2.department = "Management - _TC"
 		pe2.save().submit()
 
 		je1 = self.create_journal_entry(
@@ -1382,7 +1382,7 @@ class TestAccountsController(FrappeTestCase):
 		)
 		je1.accounts[0].party_type = "Customer"
 		je1.accounts[0].party = self.customer
-		je1.accounts[0].department = "Management"
+		je1.accounts[0].department = "Management - _TC"
 		je1.save().submit()
 
 		# assert dimension filter's result
@@ -1391,17 +1391,17 @@ class TestAccountsController(FrappeTestCase):
 		self.assertEqual(len(pr.invoices), 2)
 		self.assertEqual(len(pr.payments), 5)
 
-		pr.department = "Legal"
+		pr.department = "Legal - _TC"
 		pr.get_unreconciled_entries()
 		self.assertEqual(len(pr.invoices), 0)
 		self.assertEqual(len(pr.payments), 1)
 
-		pr.department = "Management"
+		pr.department = "Management - _TC"
 		pr.get_unreconciled_entries()
 		self.assertEqual(len(pr.invoices), 1)
 		self.assertEqual(len(pr.payments), 3)
 
-		pr.department = "Research & Development"
+		pr.department = "Research & Development - _TC"
 		pr.get_unreconciled_entries()
 		self.assertEqual(len(pr.invoices), 0)
 		self.assertEqual(len(pr.payments), 1)
@@ -1413,17 +1413,17 @@ class TestAccountsController(FrappeTestCase):
 
 		# Invoice
 		si = self.create_sales_invoice(qty=1, rate=rate_in_account_currency, do_not_submit=True)
-		si.department = "Management"
+		si.department = "Management - _TC"
 		si.save().submit()
 
 		# Payment
 		cr_note = self.create_sales_invoice(qty=-1, conversion_rate=75, rate=1, do_not_save=True)
-		cr_note.department = "Management"
+		cr_note.department = "Management - _TC"
 		cr_note.is_return = 1
 		cr_note.save().submit()
 
 		pr = self.create_payment_reconciliation()
-		pr.department = "Management"
+		pr.department = "Management - _TC"
 		pr.get_unreconciled_entries()
 		self.assertEqual(len(pr.invoices), 1)
 		self.assertEqual(len(pr.payments), 1)
@@ -1456,7 +1456,7 @@ class TestAccountsController(FrappeTestCase):
 		# Sales Invoice in Foreign Currency
 		self.setup_dimensions()
 		rate_in_account_currency = 1
-		dpt = "Research & Development"
+		dpt = "Research & Development - _TC"
 
 		si = self.create_sales_invoice(qty=1, rate=rate_in_account_currency, do_not_save=True)
 		si.department = dpt
@@ -1492,7 +1492,7 @@ class TestAccountsController(FrappeTestCase):
 
 	def test_93_dimension_inheritance_on_advance(self):
 		self.setup_dimensions()
-		dpt = "Research & Development"
+		dpt = "Research & Development - _TC"
 
 		adv = self.create_payment_entry(amount=1, source_exc_rate=85)
 		adv.department = dpt
diff --git a/erpnext/projects/doctype/project/test_records.json b/erpnext/projects/doctype/project/test_records.json
index 567f359b50d..1482336631b 100644
--- a/erpnext/projects/doctype/project/test_records.json
+++ b/erpnext/projects/doctype/project/test_records.json
@@ -1,6 +1,7 @@
 [
  {
   "project_name": "_Test Project",
-  "status": "Open"
+  "status": "Open",
+  "company": "_Test Company"
  }
 ]
\ No newline at end of file